Yes, by increasing the links to your website, you will able to increase your site’s page rank. And also, if you target search engines, you have to have content in your site. That’s one of the key factors to get results in search engines.

Improve your link popularity and use your keywords as your anchor text that might help you on you SERPs...and that might help you gain traffic and sales...also while improving your link popularity you may want to also publicize your site that way while your improving your link popularity for your SERPs you also doing your job for your services or other offers gain more sales...do advertisement but avoid spamming...